Trammel Fossil Park in Sharonville, Ohio

Tucked away at the end of an industrial parkway, Trammel Fossil Park is a place to explore the deep history of the eastern United States. It features a large exposure of fossil-bearing limestone that formed about 440 million years ago, during the Ordovician Period.

The park is completely open to the public and collecting fossils is allowed, provided you don’t dig any holes that could create a tripping hazard for other visitors. Fossils of several different types of ancient sea creatures, including trilobites, sea lilies (also called crinoids), brachiopods, and bryozoans can be found here.

Trammel Fossil Park has detailed informational signs, built in cooperation with members of the Geosciences Department at nearby University of Cincinnati, that explain the geological formations in the area and help visitors identify their fossil finds.